package Yh;
    public abstract class Bank {
        public void takeNumber() {
            System.out.println("取号排队");
        }

        public abstract void transact();

        {
            System.out.println("办理具体业务");
        }

        public void evaluate() {
            System.out.println("反馈评分");
        }

        public void process() {
            this.takeNumber();
            this.transact();
            this.evaluate();

        }
    }
